MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of embedded JavaScript and a large number of external links, many pointing to compromised CMS upload directories, strongly suggests a phishing or malware distribution attempt. The links likely serve as a link farm to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://smidgel.ru/uplcv?utm_term=bernina+artista+200+manual PDF link annotation
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071be7b67b00---40272712132.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/82950591121.pdfIn PDF document text
- http://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/50296648814.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/dejelerobumutofufaboref.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/89959380349.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2ae781008---4521402466.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/8ad7b37600f284b9e7610d8f05a2ab31/45797498123.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/jimure.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/bitpfo3vor1o63stged3b6tr4s/18365236440.pdfIn PDF document text
- http://tantos.jp/js/upload/files/27160888956.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/4478367889.pdfIn PDF document text
- http://trunglam.vn/uploads/userfiles/file/6529792125.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/21970045160.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/1019f2454df8c47c563bfb5ca7dd2003/nuboxategarofizijivifubul.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c39a75241---27053735602.pdfIn PDF document text
- http://collegium-connect.nl/ckupload/files/pibuvizedosejamezafax.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fee0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE0 | 10544 bytes |
SHA-256: 7fdc4bf2400eab65048a7947756b36540753f1f53a4cf0102f9ce11d60c16db7 |
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font_02_sfnt_off000116f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F7 | 18680 bytes |
SHA-256: ae55cb0df8561f9c0d446bc921182d3e13a61ef3c77331a20ea82bab9c8184a3 |
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